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柞蚕保苗场是养好稚蚕的重要基地,特别是刚建设起来蒿柳扦插式保苗场和柞树种植式保苗场,头一二年树还未长起来,尚处在幼树期,更应加强管理。管理好的保苗场,可提高保苗效果,增加养蚕效益。刚种植的保苗场,对1—2年的小幼树要进行松土、除草和追肥。柞树追肥以尿素为好,施用草木灰或硫铵也可。蒿柳以施硫铵为好,施用尿素也可。每米行间可施尿素25克,或草木灰500克,也可施硫铵50克。施后要马上覆土。缺株断条的要进行补植,还要注意防治病虫害。
Tussah nursery field is an important base for raising young silkworm, especially the newly built Artemisia willow cuttage seedlings and planting oak seedling field, the first year or two trees have not yet grown up, still in the sapling, but should be strengthened management. Well managed seedling conservation can increase seedling effectiveness, increase sericulture efficiency. Just planted seedling field, 1-2 years of young sapling to be carried out, weeding and dressing. Oak top dressing urea as well, the application of ash or ammonium sulfate can be. Artemisia Liu to ammonium sulfate is good, the application of urea can be. Between the rice line can be applied 25 grams of urea, or ash 500 grams, but also the application of 50 grams of ammonium sulfate. Immediately after the application of soil cover. Broken lines to replant, but also pay attention to pest control.